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單項(xiàng)選擇題

As to the low speed diesel engine, if you want to change the coolant flow for a certain cylinder, you can regulate （）.

A.the inlet valve
B.the outlet valve
C.both the inlet valve and the outlet valve
D.the pump inlet valve

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單項(xiàng)選擇題

The temperature difference between the inlet and outlet temperature of the lube oil cooler in the lubricating system for the diesel engine is generally between （）.

A.8-10℃
B.10-12℃
C.10-15℃
D.10-20℃

單項(xiàng)選擇題

The opening or closing of the cylinder starting valve is controlled by （）.

A.the starting air distributor
B.the cut-off valve on the air main
C.the main starting valve
D.the air bottle control valve

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